Siemens SINUMERIK 840Di sl Programming Manual page 184

Motion commands
4.19 Stop with thread cutting (LFOF, LFON, LFTXT, LFWP, LFPOS)
position. Axes can be enabled for independent retraction to axis position and to axis position
with linear relation.
Programming
LFTXT
Or
LFWP
Or
LFPOS
Or
POLF[geo axis name | machine axis name]=
Or
POLFMASK(axisname1, axisname2, etc.)
Or
POLFMLIN
Parameters
LFTXT
LFWP
LFPOS
POLF
POLFMASK
POLFMLIN
X, Y, Z
X1, Y1, Z1
184
Retraction direction on lifting from the path tangent, default
Retraction direction from the active working plane G17, G18, G19
Retraction direction toward position programmed with POLF
Absolute retraction position of axis, incl. incremental with IC (value)
POLF is modal.
Enable for axes for independent retraction to absolute position
Enable for axes for retraction to absolute position in linear
relationship. See also /FB3/Function Manual Special Functions;
Coupled Axes and ESR (M3)
Geometry axes in POLF are interpreted as position in the tool
coordinate system (TCS).
Machine axes in POLF are interpreted as position in the machine
coordinate system (MCS).
Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Fundamentals